Double hook



FIG. 1 is a perspective view of a double hook showing a new design;

FIG. 2 is a top view of the double hook of FIG. 1;

FIG. 3 is a front view of the double hook of FIG. 1;

FIG. 4 is a side view of the double hook of FIG. 1;

FIG. 5 is a bottom side view of the double hook of FIG. 1; and,

FIG. 6 is a rear view of the double hook of FIG. 1.

The components of the display shown in broken lines illustrate unclaimed portions of the double hook and form no part of the claimed design. 

CLAIM What is claimed is the ornamental design for a double hook, as shown and described. 